Green Building
Zero Net Energy

The Ins and Outs of Selecting Cold Climate Minisplit Heat Pumps - Self Study

by Marc Rosenbaum • Last updated 02/2021

4.6/5 (view ratings)
945 students
1 module
34 minutes
7 assignments

Course description

Minisplit heat pumps are a great space conditioning choice for low energy buildings. Getting the appropriate information to be sure that a unit will heat your building at design heating temperature can be confusing. In this presentation you’ll learn the latest about heat pumps that can supply heat at temperatures as low as -15°F, and how to understand ratings and manufacturers' data so that you can confidently select the proper system.

Attendees will learn:

  • How heat pump efficiency is expressed by the coefficient of performance (COP)
  • How both COP and heating output vary with outdoor temperature
  • Why the AHRI ratings aren’t adequate for picking a heat pump
  • The process for selecting the proper minisplit heat pump

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Full course outline

Module 1 - Video Lecture and Q+A Call Recording

  • The Ins and Outs of Selecting Cold Climate Minisplit Heat Pumps (34:24 minutes)
  • ASHRAE Climatic Design Conditions
  • NEEP Cold Climate Air Source Heat Pump Specification
  • 1-hour Q+A call recording (MP3)


Marc Rosenbaum

Principal, Energysmiths

Marc Rosenbaum, P.E. uses an integrated systems design approach to help people create buildings and communities which connect us to the natural world, and support both personal and planetary health. He brings this vision, experience and commitment to a collaborative design process, with the goal of profoundly understanding the interconnections between people, place, and... Learn more


179 reviews

945 students have taken this course

by Ilan C 04/29/2022

by TJ Falbo 07/06/2022

I found this to be a great course that I could work at my own pace, and work around the 1,000 interruptions that take over my every day. Being able to pause, and rewind a minute or two to make sure I picked up where I left off were great features.

by Richard Carbone, Ardor Construction 05/27/2022

I want to thank Marc and everyone there at Heatspring who work hard to provide resources. The information and guidance you provide are invaluable. I am having a wonderful experience learning from start to finish. Thank you!

by Manuel Sosa 05/07/2022

This course has made me realize were I made mistakes in the past in sizing units.

by Alfred Roehrig 04/27/2022

Understanding COP and how it is used isnt hard to work with if you understand how ts applied. I would have to wonder how many students dont know COP and how to apply to a job.

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Frequently asked questions

How does this course work?

This is a free course. Enroll today and get access to all of the materials instantly. The lecture video and other materials are available any time.

How long do I have access to the materials?

For free courses there is no guarantee for how long the course materials will be available.

Is there a certificate of completion?

Certificates of completion are only provided to HeatSpring Membership subscribers. This course has not been approved by any credentialing organizations (NABCEP, AIA, USGBC etc) for Continuing Education Credits (CEUs). This course is for self education purposes only and completion does not indicate a level of professional expertise or credential.

Can I register multiple people?

Yes, this is a free course so you can share this page with other people from your group.

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